Following the recent release of Plasma Gale, the eighth Black & White era TCG expansion has been announced for Japan. Spiral Force and Thunder Knuckle will be released Dec. 14, 2012.

Spiral Force will contain Deoxys in its Normal Forme. Thunder Knuckle will contain Thundurus in its Therian Forme. A Serperior promo card will be featured in a booster box that is going to be released at the same time as Spiral Force and Thunder Knuckle.